220171329

素因数分解:

$3^2\times 7^1\times {\mathrm{547}}^1\times {\mathrm{6389}}^1$

素因数の和:6949

約数の個数: 24

約数和(自身を含む): 364178880

約数和(自身を除く): 144007551

約数列:

[1, 3, 7, 9, 21, 63, 547, 1641, 3829, 4923, 6389, 11487, 19167, 34461, 44723, 57501, 134169, 402507, 3494783, 10484349, 24463481, 31453047, 73390443, 220171329]

約数ペア:

[(1, 220171329), (3, 73390443), (7, 31453047), (9, 24463481), (21, 10484349), (63, 3494783), (547, 402507), (1641, 134169), (3829, 57501), (4923, 44723), (6389, 34461), (11487, 19167)]